{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}l*{6}{c}}
\toprule
                           &\multicolumn{2}{c}{Democratic Vote}          &\multicolumn{2}{c}{Republican Vote}          &\multicolumn{2}{c}{Incumbent Vote}           \\\cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}
                           &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
                           &\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}\\
\midrule
\emph{IV: Median}          &                      &                      &                      &                      &                      &                      \\
Cumulative capacity (MW)   &        0.028\sym{**} &                      &       -0.028\sym{**} &                      &        0.022         &                      \\
                           &      (0.013)         &                      &      (0.013)         &                      &      (0.015)         &                      \\
Cumulative count           &                      &        0.047\sym{**} &                      &       -0.047\sym{**} &                      &        0.037         \\
                           &                      &      (0.023)         &                      &      (0.023)         &                      &      (0.026)         \\
\bottomrule
\end{tabular*}
}
{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}l*{6}{c}}
\toprule
\midrule
\emph{IV: Maximum}                 &                      &                      &                      &                      &                      &                      \\
Cumulative capacity (MW)           &        0.009         &                      &       -0.009         &                      &       -0.017         &                      \\
                                   &      (0.016)         &                      &      (0.016)         &                      &      (0.014)         &                      \\
Cumulative count                   &                      &        0.015         &                      &       -0.015         &                      &       -0.028         \\
                                   &                      &      (0.026)         &                      &      (0.026)         &                      &      (0.024)         \\
\midrule
Observations                       &         1143         &         1143         &         1143         &         1143         &         1038         &         1038         \\
Districts                          &          287         &          287         &          287         &          287         &          285         &          285         \\
\(R^{2}\)                          &         0.89         &         0.89         &         0.89         &         0.89         &         0.73         &         0.73         \\
\bottomrule
\multicolumn{7}{l}{\footnotesize \sym{*} \(p<0.10\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular*}
}
